Filtration and sterilization device for respiratory droplet



FIG. 1 is a perspective view of a filtration and sterilization device for respiratory droplet showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines depict portions of the filtration and sterilization device for respiratory droplet in which the design is embodied that form no part of the claimed design. 

CLAIM The ornamental design for a filtration and sterilization device for respiratory droplet, as shown and described. 